PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-20:57:40
G08     280.7          22.3                9.3 +/-    1.25      19.3 +/-    1.25  0.070 / 0.130
G10     30.9           62.7                8.9 +/-    0.63       9.9 +/-    0.63  0.110 / 0.170
G14     242.9          57.0               11.0 +/-    0.64      12.8 +/-    0.64  0.090 / 0.190
G18     78.0           44.0                9.3 +/-    0.83      12.7 +/-    0.83  0.070 / 0.270
G21     150.0          25.4               10.4 +/-    0.98      20.1 +/-    0.98  0.070 / 0.150
G24     47.9           20.7                8.0 +/-    1.17      17.2 +/-    1.17  0.080 / 0.170
G27     241.8          24.7               10.8 +/-    0.88      21.1 +/-    0.88  0.160 / 0.290
G31     183.4          13.8               12.4 +/-    1.63      31.8 +/-    1.63  0.190 / 0.350
G32     274.0          73.3               10.4 +/-    0.66      10.8 +/-    0.66  0.040 / 0.070